29692989507 has 6 divisors (see below), whose sum is σ = 39591050628. Its totient is φ = 19795127364.

The previous prime is 29692989503. The next prime is 29692989523. The reversal of 29692989507 is 70598929692.

It is not a de Polignac number, because 29692989507 - 2² = 29692989503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29692989503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248718 + ... + 348204.

It is an arithmetic number, because the mean of its divisors is an integer number (6598508438).

Almost surely, 2^29692989507 is an apocalyptic number.

29692989507 is a deficient number, since it is larger than the sum of its proper divisors (9898061121).

29692989507 is an frugal number, since it uses more digits than its factorization.

29692989507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198977 (or 99490 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 66.

The spelling of 29692989507 in words is "twenty-nine billion, six hundred ninety-two million, nine hundred eighty-nine thousand, five hundred seven".